Two associates of former Arizona Rep. Rick Renzi are set for trial this week in a case tied to allegations that the congressman looted his family insurance business to fund his campaigns and for personal expenses.

A lawyer defending the Maricopa County Sheriff's Office in a lawsuit over its immigration patrols has asked a judge to extend a deadline for handing over a huge volume of e-mails from the police agency.

A heavily redacted sheriff's report released Tuesday reveals almost no new details about the March slaying of an Arizona cattle rancher that later became a rallying cry for increased border enforcement.

An increase in smuggling violence at the Sonoran Desert National Monument about 80 miles south of Phoenix has prompted a stronger warning to visitors about drug and immigrant traffickers passing through the public lands, officials said Tuesday.